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-rw-r--r--examples/videographicsitem/videoitem.cpp144
1 files changed, 0 insertions, 144 deletions
diff --git a/examples/videographicsitem/videoitem.cpp b/examples/videographicsitem/videoitem.cpp
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--- a/examples/videographicsitem/videoitem.cpp
+++ /dev/null
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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
-** the names of its contributors may be used to endorse or promote
-** products derived from this software without specific prior written
-** permission.
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "videoitem.h"
-
-#include <QtWidgets>
-#include <qvideosurfaceformat.h>
-
-VideoItem::VideoItem(QGraphicsItem *parent)
- : QGraphicsItem(parent)
- , imageFormat(QImage::Format_Invalid)
- , framePainted(false)
-{
-}
-
-VideoItem::~VideoItem()
-{
-}
-
-QRectF VideoItem::boundingRect() const
-{
- return QRectF(QPointF(0,0), surfaceFormat().sizeHint());
-}
-
-void VideoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
-{
- Q_UNUSED(option);
- Q_UNUSED(widget);
-
- if (currentFrame.map(QAbstractVideoBuffer::ReadOnly)) {
- const QTransform oldTransform = painter->transform();
-
- if (surfaceFormat().scanLineDirection() == QVideoSurfaceFormat::BottomToTop) {
- painter->scale(1, -1);
- painter->translate(0, -boundingRect().height());
- }
-
- painter->drawImage(boundingRect(), QImage(
- currentFrame.bits(),
- imageSize.width(),
- imageSize.height(),
- imageFormat));
-
- painter->setTransform(oldTransform);
-
- framePainted = true;
-
- currentFrame.unmap();
- }
-}
-
-QList<QVideoFrame::PixelFormat> VideoItem::supportedPixelFormats(
- QAbstractVideoBuffer::HandleType handleType) const
-{
- if (handleType == QAbstractVideoBuffer::NoHandle) {
- return QList<QVideoFrame::PixelFormat>()
- << QVideoFrame::Format_RGB32
- << QVideoFrame::Format_ARGB32
- << QVideoFrame::Format_ARGB32_Premultiplied
- << QVideoFrame::Format_RGB565
- << QVideoFrame::Format_RGB555;
- } else {
- return QList<QVideoFrame::PixelFormat>();
- }
-}
-
-bool VideoItem::start(const QVideoSurfaceFormat &format)
-{
- if (isFormatSupported(format)) {
- imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
- imageSize = format.frameSize();
- framePainted = true;
-
- QAbstractVideoSurface::start(format);
-
- prepareGeometryChange();
-
- return true;
- } else {
- return false;
- }
-}
-
-void VideoItem::stop()
-{
- currentFrame = QVideoFrame();
- framePainted = false;
-
- QAbstractVideoSurface::stop();
-}
-
-bool VideoItem::present(const QVideoFrame &frame)
-{
- if (!framePainted) {
- if (!QAbstractVideoSurface::isActive())
- setError(StoppedError);
-
- return false;
- } else {
- currentFrame = frame;
- framePainted = false;
-
- update();
-
- return true;
- }
-}